/* =========================================================================
   SORKUNLU TEKSTİL — Design System: Components
   Ref: §22 (UX anayasası), §23 (Görsel tasarım), §30 (Footer)
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. BUTONLAR / CTA — §22.2
   ---------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--c-ink);
  --btn-fg: var(--c-ivory);
  --btn-bd: var(--c-ink);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2xs);
  min-height: 2.875rem;          /* ≥44px touch hedefi (§22.4) */
  padding: 0.8125rem 1.5rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  font-size: var(--t-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: center;
  cursor: pointer;
  transition:
    background var(--d-base) var(--e-soft),
    color var(--d-base) var(--e-soft),
    border-color var(--d-base) var(--e-soft);
}

.btn:hover  { --btn-bg: var(--c-accent); --btn-bd: var(--c-accent); }
.btn:active { --btn-bg: var(--c-accent-deep); --btn-bd: var(--c-accent-deep); }

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-line);
}
.btn--ghost:hover {
  --btn-bg: transparent;
  --btn-fg: var(--c-accent);
  --btn-bd: var(--c-accent);
}

/* Header CTA — logo mavisiyle aynı (#385889, 6.9:1 ivory üzerinde) */
.btn--brand {
  --btn-bg: var(--c-brand-logo);
  --btn-fg: var(--c-ivory);
  --btn-bd: var(--c-brand-logo);
}
.btn--brand:hover  { --btn-bg: var(--c-brand-logo-deep); --btn-bd: var(--c-brand-logo-deep); }
.btn--brand:active { --btn-bg: var(--c-brand-navy); --btn-bd: var(--c-brand-navy); }

.btn--invert {
  --btn-bg: var(--c-ivory);
  --btn-fg: var(--c-ink);
  --btn-bd: var(--c-ivory);
}
.btn--invert:hover { --btn-bg: transparent; --btn-fg: var(--c-ivory); --btn-bd: var(--c-ivory); }

.btn--ghost-invert {
  --btn-bg: transparent;
  --btn-fg: var(--c-ivory);
  --btn-bd: var(--c-line-invert);
}
.btn--ghost-invert:hover { --btn-bd: var(--c-ivory); }

.btn--lg { min-height: 3.25rem; padding: 1rem 2rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-xs);
}

/* Metin bağlantısı — altı çizgi hover'da soldan sağa büyür */
.link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--t-small);
  font-weight: 500;
  letter-spacing: 0.015em;
  color: var(--c-ink);
  position: relative;
  padding-block-end: 2px;
}

.link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--d-base) var(--e-out);
}

.link:hover { color: var(--c-accent); }
.link:hover::after,
.link:focus-visible::after { transform: scaleX(1); }

.link .link__arrow {
  transition: transform var(--d-base) var(--e-out);
}
.link:hover .link__arrow { transform: translateX(0.25rem); }

.band-navy .link { color: var(--c-ivory); }
.band-navy .link:hover { color: var(--c-stone-light); }

/* -------------------------------------------------------------------------
   2. GÖRSEL YER TUTUCU SİSTEMİ
   Fotoğraf teslim edilene kadar §23.5 shot list'i temsil eder.
   Gerçek görsel geldiğinde <div class="plate"> → <img> ile değişir.
   ---------------------------------------------------------------------- */
.plate {
  position: relative;
  overflow: hidden;
  background: var(--c-stone-pale);
  isolation: isolate;
}

.plate::before {
  /* dokuma yüzey — çapraz iplik dokusu */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg,  #14171c0a 0 1px, transparent 1px 4px),
    repeating-linear-gradient(0deg,   #14171c08 0 1px, transparent 1px 4px);
  z-index: -1;
}

.plate::after {
  /* yönlü ışık — kumaş kıvrımı hissi */
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 22% 8%,  #fffdf9b8, transparent 58%),
    radial-gradient(100% 80% at 88% 96%, #14171c26, transparent 62%);
  z-index: -1;
}

/* Yüzey karakter varyantları */
.plate--warm   { background: #e6ded1; }
.plate--stone  { background: #d9d4c9; }
.plate--sand   { background: #ddd2c0; }
.plate--sage   { background: #ccd0c4; }
.plate--clay   { background: #d9c6b8; }
.plate--sky    { background: #c6d2dc; }
.plate--ink    { background: #2a3340; }
.plate--indigo { background: #33455c; }

.plate--ink::after,
.plate--indigo::after {
  background:
    radial-gradient(120% 90% at 22% 8%,  #ffffff1f, transparent 58%),
    radial-gradient(100% 80% at 88% 96%, #00000040, transparent 62%);
}

/* Drape — yumuşak dikey kıvrım dalgası */
.plate--drape::before {
  background-image:
    repeating-linear-gradient(
      101deg,
      #14171c00 0 3.5rem,
      #14171c1a 4.6rem,
      #ffffff33 6rem,
      #14171c00 7.5rem
    );
}

/* Koyu zeminde kıvrım: iki farklı periyot üst üste bindirilir; tek periyotlu
   tekrar oluklu sac gibi okunuyordu, kumaş düzensiz kıvrılır. */
.plate--ink.plate--drape::before,
.plate--indigo.plate--drape::before {
  background-image:
    repeating-linear-gradient(
      99deg,
      #00000000 0 5.5rem,
      #00000038 8.5rem,
      #ffffff16 11rem,
      #00000000 14rem
    ),
    repeating-linear-gradient(
      103deg,
      #00000000 0 9rem,
      #0000002e 13.5rem,
      #ffffff10 17rem,
      #00000000 23rem
    );
}

/* Macro — yakın plan iplik yapısı.
   Atkı ve çözgü farklı periyot ve yoğunlukta: eşit periyot milimetrik kâğıt
   gibi okunuyordu, dokuma yüzeyde iki yön asla özdeş değildir. */
.plate--macro::before {
  background-image:
    repeating-linear-gradient(90deg, #14171c17 0 3px, #14171c07 3px 5px, transparent 5px 11px),
    repeating-linear-gradient(0deg,  #14171c0d 0 5px, transparent 5px 8px),
    repeating-linear-gradient(90deg, #ffffff1f 0 1px, transparent 1px 22px);
}

/* Panel — engineered border kompozisyonu (panel tablecloth anlatısı).

   Bordür ::after üzerinde: ::before ile ::after'ın ikisi de z-index:-1 olduğu
   için ::after sonra boyanıyor ve ::before'a konan gölgeleri örtüyordu. Ayrıca
   ::before'un background-image'ini ezmiyoruz; taban dokuma dokusu görünür
   kalsın diye — aksi hâlde kare düz bir degradeye dönüşüyordu. */
/* box-shadow'un spread değeri YÜZDE kabul etmez. Önceki sürüm
   clamp(0.75rem, 3.5%, 2rem) kullanıyordu; içindeki % bildirimi geçersiz
   kıldığı için tarayıcı kuralı tamamen atıyor ve panel karesi bordürsüz,
   düz bir zemin olarak çıkıyordu. Uzunluk birimleriyle yazıldı. */
.plate--panel::after {
  box-shadow:
    inset 0 0 0 clamp(0.75rem, 2.2vw, 2rem) #14171c30,
    inset 0 0 0 clamp(0.95rem, 2.8vw, 2.5rem) #f7f4efe0,
    inset 0 0 0 clamp(1.05rem, 3.1vw, 2.8rem) #14171c24,
    inset 0 0 0 clamp(1.7rem, 4.8vw, 4.2rem) #14171c17;
}

/* En-boy oranları */
.plate--sq     { aspect-ratio: 1 / 1; }
.plate--3x4    { aspect-ratio: 3 / 4; }
.plate--4x5    { aspect-ratio: 4 / 5; }
.plate--4x3    { aspect-ratio: 4 / 3; }
.plate--16x9   { aspect-ratio: 16 / 9; }
.plate--21x9   { aspect-ratio: 21 / 9; }
.plate--tall   { aspect-ratio: 2 / 3; }

/* Gerçek fotoğraf geldiğinde .plate taşıyıcıya dönüşür: dokuma yüzey görselin
   arkasında kalır ve yüklenene kadar sıcak bir zemin sağlar (§25.4).
   Kadraj focal point ile yönetilir; mobil için ayrı değer tanımlanabilir. */
.plate > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focal, center);
}

@media (max-width: 47.9375rem) {
  .plate > img { object-position: var(--focal-m, var(--focal, center)); }
}

/* Görsel taşıyan plate'te yer tutucu etiketi görünmez */
.plate:has(img) .plate__note { display: none; }

/* Editorial kartlarda başlık zaten alt kenarda; etiket üste alınır */
.ed-card__media .plate__note {
  inset-block: 0 auto;
  inset-inline: 0 auto;
}

.plate__note {
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.4375rem 0.75rem;
  background: #f7f4efd9;
  backdrop-filter: blur(6px);
  color: var(--c-ink-60);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  z-index: 1;
  pointer-events: none;
}

.plate__note::before {
  content: "";
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--c-stone);
  flex: none;
}

.plate--ink .plate__note,
.plate--indigo .plate__note {
  background: #0e1a2bcc;
  color: #f7f4efb3;
}

/* -------------------------------------------------------------------------
   3. HEADER + NAVIGASYON — §4.1 / §4.2
   ---------------------------------------------------------------------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background: #f7f4efe6;
  backdrop-filter: blur(14px) saturate(1.4);
  border-block-end: 1px solid var(--c-line-soft);
  transition: background var(--d-base) var(--e-soft), border-color var(--d-base) var(--e-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-md);
  min-height: var(--header-h);
}

/* Wordmark — SORKUNLU + TEXTILE kilidi, satır içi SVG.
   fill="currentColor" olduğu için renk CSS'ten gelir: header ivory zeminde
   mürekkep, footer navy zeminde ivory. Tek dosya, iki zemin. */
.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  color: var(--c-brand-logo); /* canlı sitedeki (sorkunlu.com.tr) mavi logo rengi */
}

/* Header'da yalnız wordmark. Tam kilitteki "TEXTILE" satırı kilit
   yüksekliğinin %14'ü; 4.75rem'lik header'a sığan 34 px'lik kilitte o satır
   4.8 piksele düşüyor ve okunmuyor. Tam kilit, yer olan footer'a bırakıldı. */
.brand__wordmark {
  display: block;
  height: 1.375rem;
  width: auto;
}

.brand__lockup {
  display: block;
  height: 3.5rem;
  width: auto;
}

@media (max-width: 47.9375rem) {
  .brand__wordmark { height: 1.125rem; }
  .brand__lockup   { height: 3rem; }
}

.brand--footer { color: var(--c-ivory); }



/* Desktop nav */
.nav {
  display: none;
}

/* §4.1 sekiz ana başlık taşır; sıkıştırmamak için desktop nav 1200px'ten açılır. */
@media (min-width: 75rem) {
  .nav {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, -0.4rem + 1.55vw, 1.625rem);
  }
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--c-ink-80);
  white-space: nowrap;
  transition: color var(--d-fast) var(--e-soft);
}

.nav__link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--d-base) var(--e-out);
}

.nav__link:hover,
.nav__link[aria-expanded="true"],
.nav__link[aria-current="page"] { color: var(--c-ink); }

.nav__link:hover::after,
.nav__link[aria-expanded="true"]::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav__chevron {
  width: 0.5rem;
  height: 0.5rem;
  flex: none;
  opacity: 0.5;
  transition: transform var(--d-base) var(--e-out);
}

.nav__link[aria-expanded="true"] .nav__chevron { transform: rotate(180deg); }

/* Mega menu — §4.1; mobilde accordion'a döner (§4.2) */
.mega {
  position: absolute;
  inset-inline: 0;
  inset-block-start: 100%;
  background: var(--c-ivory-soft);
  border-block-end: 1px solid var(--c-line);
  box-shadow: 0 24px 48px -32px #14171c40;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.5rem);
  transition:
    opacity var(--d-base) var(--e-out),
    transform var(--d-base) var(--e-out),
    visibility var(--d-base);
}

.mega[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* Mega menü yalnız masaüstü bileşenidir; mobilde accordion nav kullanılır.
   `visibility: hidden` düzenden çıkarmaz — panel dar ekranda kaydırma
   genişliğini büyütüp yatay taşmaya yol açıyordu. Tamamen kaldırıyoruz. */
@media (max-width: 74.9375rem) {
  .mega { display: none; }
}

.mega__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.1fr);
  gap: var(--s-xl);
  padding-block: var(--s-xl);
}

.mega__col-title {
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--c-stone);
  margin-block-end: var(--s-sm);
}

.mega__list > li + li { margin-block-start: 0.5rem; }

.mega__item {
  display: block;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--c-ink-80);
  padding-block: 0.1875rem;
  transition: color var(--d-fast) var(--e-soft), transform var(--d-fast) var(--e-out);
}

.mega__item:hover { color: var(--c-accent); transform: translateX(0.1875rem); }

.mega__feature {
  border-inline-start: 1px solid var(--c-line);
  padding-inline-start: var(--s-lg);
}

.mega__feature .plate { margin-block-end: var(--s-sm); }

/* Header aksiyonları */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--s-xs);
  flex: none;
}

.lang-switch {
  display: none;
  gap: 0.375rem;
  align-items: center;
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-40);
}

@media (min-width: 48rem) { .lang-switch { display: inline-flex; } }

.lang-switch a { padding: 0.25rem; transition: color var(--d-fast) var(--e-soft); }
.lang-switch a:hover { color: var(--c-ink); }
.lang-switch [aria-current="true"] { color: var(--c-ink); }
.lang-switch__sep { opacity: 0.4; }

.header-actions .btn { display: none; }
@media (min-width: 48rem) { .header-actions .btn { display: inline-flex; } }

/* Hamburger */
.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3125rem;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  flex: none;
}

@media (min-width: 75rem) { .menu-toggle { display: none; } }

.menu-toggle span {
  display: block;
  width: 1.25rem;
  height: 1px;
  background: var(--c-ink);
  transition: transform var(--d-base) var(--e-out), opacity var(--d-fast) var(--e-soft);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(0.375rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-0.375rem) rotate(-45deg); }

/* Mobil menü — tam ekran, lacivert editorial perde (§4.2) */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 99;
  background: var(--c-navy);
  color: var(--c-ivory);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition:
    clip-path var(--d-slow) var(--e-out),
    visibility var(--d-slow);
}

/* Dokuma doku — footer'daki plate ile aynı dil, çok hafif */
.mobile-nav::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, #f7f4ef07 0 1px, transparent 1px 5px),
    repeating-linear-gradient(0deg,  #f7f4ef05 0 1px, transparent 1px 5px);
}

.mobile-nav[data-open="true"] { clip-path: inset(0 0 0 0); visibility: visible; }

@media (min-width: 75rem) { .mobile-nav { display: none; } }

/* Menü açıkken header de laciverte döner — tek parça perde */
.site-header.is-menu-open {
  background: var(--c-navy);
  border-color: #f7f4ef1f;
}
.site-header.is-menu-open .brand { color: var(--c-ivory); }
.site-header.is-menu-open .menu-toggle span { background: var(--c-ivory); }
.site-header.is-menu-open .header-actions .btn { display: none; }
.site-header.is-menu-open .lang-switch { display: none; }

.mobile-nav__scroll {
  position: relative;
  flex: 1;
  padding-block: var(--s-sm) var(--s-lg);
}

.mobile-nav__item {
  border-block-end: 1px solid #f7f4ef1a;
  opacity: 0;
  transform: translateY(0.875rem);
  transition:
    opacity var(--d-slow) var(--e-soft),
    transform var(--d-slow) var(--e-out);
  transition-delay: calc(60ms + var(--i, 0) * 45ms);
}

.mobile-nav[data-open="true"] .mobile-nav__item { opacity: 1; transform: none; }

.mobile-nav__trigger,
.mobile-nav__link {
  display: flex;
  align-items: baseline;
  gap: var(--s-sm);
  width: 100%;
  min-height: 3.75rem;
  padding-block: var(--s-sm);
  font-family: var(--f-display);
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.125rem);
  font-weight: 300;
  letter-spacing: var(--ls-tight);
  line-height: 1.1;
  text-align: start;
  color: var(--c-ivory);
}

.mobile-nav__num {
  flex: none;
  width: 1.75rem;
  font-family: var(--f-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-brand-pale);
  opacity: 0.7;
  transform: translateY(-0.375em);
}

.mobile-nav__text { flex: 1; }

.mobile-nav__trigger .nav__chevron {
  flex: none;
  width: 0.875rem;
  height: 0.875rem;
  align-self: center;
  color: var(--c-brand-pale);
  transition: transform var(--d-base) var(--e-out);
}

.mobile-nav__trigger[aria-expanded="true"] .nav__chevron { transform: rotate(180deg); }
.mobile-nav__trigger[aria-expanded="true"] .mobile-nav__text { color: var(--c-brand-pale); }

.mobile-nav__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--d-base) var(--e-out);
}

.mobile-nav__trigger[aria-expanded="true"] + .mobile-nav__panel { grid-template-rows: 1fr; }

.mobile-nav__panel > div { overflow: hidden; }

.mobile-nav__sub {
  margin-inline-start: calc(1.75rem + var(--s-sm));
  padding-block: 0 var(--s-md);
  padding-inline-start: var(--s-sm);
  border-inline-start: 1px solid #657fa166;
}

.mobile-nav__sub li + li { margin-block-start: 0; }

.mobile-nav__sub a {
  display: block;
  min-height: 2.75rem;
  padding-block: 0.6875rem;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  color: #f7f4efb3;
  transition: color var(--d-fast) var(--e-soft), padding-inline-start var(--d-fast) var(--e-out);
}

.mobile-nav__sub li:first-child a { color: var(--c-brand-pale); }

.mobile-nav__sub a:hover,
.mobile-nav__sub a:focus-visible { color: var(--c-ivory); padding-inline-start: 0.375rem; }

/* Sabit alt alan — dil + başparmak erişimli CTA'lar (§4.2) */
.mobile-nav__foot {
  position: sticky;
  inset-block-end: 0;
  display: grid;
  gap: var(--s-sm);
  padding: var(--s-sm) var(--shell-pad) calc(var(--s-sm) + env(safe-area-inset-bottom));
  background: var(--c-navy-deep);
  border-block-start: 1px solid #f7f4ef1f;
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity var(--d-slow) var(--e-soft), transform var(--d-slow) var(--e-out);
  transition-delay: 420ms;
}

.mobile-nav[data-open="true"] .mobile-nav__foot { opacity: 1; transform: none; }

.mobile-nav__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-sm);
}

.mobile-nav__tagline {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 1.0625rem;
  font-weight: 300;
  color: #f7f4efb3;
}

.mobile-nav__lang { display: inline-flex; flex: none; }
.mobile-nav__lang a { color: #f7f4ef99; min-height: 2.75rem; display: inline-flex; align-items: center; }
.mobile-nav__lang a:hover,
.mobile-nav__lang a[aria-current="true"] { color: var(--c-ivory); }
.mobile-nav__lang .lang-switch__sep { color: var(--c-ivory); }

.mobile-nav__ctas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2xs);
}

.btn--outline-ivory {
  --btn-bg: transparent;
  --btn-fg: var(--c-ivory);
  --btn-bd: #f7f4ef66;
}
.btn--outline-ivory:hover { --btn-bg: transparent; --btn-fg: var(--c-ivory); --btn-bd: var(--c-ivory); }

@media (prefers-reduced-motion: reduce) {
  .mobile-nav,
  .mobile-nav__item,
  .mobile-nav__foot { transition: none; }
}

body.is-locked { overflow: hidden; }

/* -------------------------------------------------------------------------
   4. KARTLAR
   ---------------------------------------------------------------------- */

/* Editorial kategori kartı — homepage Product Universe (§5.3) */
.ed-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-ivory-deep);
}

.ed-card__media {
  transition: transform var(--d-slow) var(--e-out);
}

.ed-card:hover .ed-card__media { transform: scale(1.035); }

.ed-card__body {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  padding: var(--s-md);
  color: var(--c-ivory);
  background: linear-gradient(to top, #0a121ee0 12%, #0a121e7a 48%, transparent 100%);
}

.ed-card__title {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2rem);
  font-weight: 300;
  letter-spacing: var(--ls-tight);
  line-height: 1.1;
}

/* Hover'da açılan fayda cümlesi.
   §22.1: touch cihazda gizli kalmaz — motion azaltılır, içerik görünür olur. */
.ed-card__reveal {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows var(--d-base) var(--e-out),
    opacity var(--d-base) var(--e-soft);
}

.ed-card__reveal > span { overflow: hidden; }

.ed-card__reveal p {
  font-size: var(--t-small);
  line-height: 1.5;
  color: #f7f4efd1;
  padding-block-start: var(--s-2xs);
  max-width: 34ch;
}

.ed-card:hover .ed-card__reveal,
.ed-card:focus-visible .ed-card__reveal {
  grid-template-rows: 1fr;
  opacity: 1;
}

@media (hover: none) {
  .ed-card__reveal { grid-template-rows: 1fr; opacity: 1; }
}

/* Sade içerik kartı */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--s-xs);
  padding: var(--s-lg);
  background: var(--c-ivory-soft);
  border: 1px solid var(--c-line-soft);
  transition: border-color var(--d-base) var(--e-soft), transform var(--d-base) var(--e-out);
}

a.card:hover { border-color: var(--c-line); transform: translateY(-2px); }

.band-navy .card {
  background: #ffffff08;
  border-color: var(--c-line-invert);
}

/* Numaralı liste öğesi — Capabilities / Why (§5.6, §5.7) */
.numbered {
  display: grid;
  gap: var(--s-2xs);
  padding-block: var(--s-md);
  border-block-start: 1px solid var(--c-line);
}

.band-navy .numbered { border-block-start-color: var(--c-line-invert); }

.numbered__index {
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-stone);
  font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------------------------------
   5. FORMLAR — §20.4 / §22.4
   ---------------------------------------------------------------------- */
.field { display: grid; gap: 0.4375rem; }

.field__label {
  font-size: var(--t-small);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.field__hint {
  font-size: var(--t-micro);
  color: var(--c-ink-60);
  line-height: 1.5;
}

.field__req {
  color: var(--c-stone);
  font-weight: 400;
}

.input,
.textarea,
.select {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.9375rem;
  background: var(--c-ivory-soft);
  border: 1px solid var(--c-line);
  color: var(--c-ink);
  font-size: var(--t-body);
  transition: border-color var(--d-fast) var(--e-soft), background var(--d-fast) var(--e-soft);
}

.textarea { min-height: 8rem; resize: vertical; line-height: 1.6; }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%2314171c' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 0.75rem;
  padding-inline-end: 2.5rem;
}

.input::placeholder,
.textarea::placeholder { color: var(--c-ink-40); }

.input:hover, .textarea:hover, .select:hover { border-color: var(--c-stone-light); }
.input:focus, .textarea:focus, .select:focus { border-color: var(--c-accent); background: #fff; }

.input[aria-invalid="true"],
.textarea[aria-invalid="true"],
.select[aria-invalid="true"] { border-color: var(--c-danger); }

.field__error {
  display: none;
  font-size: var(--t-micro);
  font-weight: 500;
  color: var(--c-danger);
}

.field__error[data-visible="true"] { display: block; }

/* Seçim çipleri — checkbox/radio yerine dokunmatik dostu kart (§20.2) */
.choice-grid {
  display: grid;
  gap: var(--s-2xs);
  grid-template-columns: repeat(auto-fit, minmax(min(13rem, 100%), 1fr));
}

.choice {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.6875rem;
  min-height: 3.25rem;
  padding: 0.875rem 1rem;
  background: var(--c-ivory-soft);
  border: 1px solid var(--c-line);
  cursor: pointer;
  transition: border-color var(--d-fast) var(--e-soft), background var(--d-fast) var(--e-soft);
}

.choice:hover { border-color: var(--c-stone-light); }

.choice input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
}

.choice__box {
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-block-start: 0.125rem;
  border: 1px solid var(--c-stone);
  background: #fff;
  display: grid;
  place-items: center;
  transition: background var(--d-fast) var(--e-soft), border-color var(--d-fast) var(--e-soft);
}

.choice input[type="radio"] ~ .choice__box { border-radius: 50%; }

.choice__box::after {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--c-ivory);
  transform: scale(0);
  transition: transform var(--d-fast) var(--e-out);
}

.choice input[type="radio"] ~ .choice__box::after { border-radius: 50%; }

.choice input:checked ~ .choice__box { background: var(--c-accent); border-color: var(--c-accent); }
.choice input:checked ~ .choice__box::after { transform: scale(1); }

.choice:has(input:checked) { border-color: var(--c-accent); background: #fff; }

.choice input:focus-visible ~ .choice__box {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.choice__text { font-size: 0.9375rem; line-height: 1.4; }
.choice__note { display: block; font-size: var(--t-micro); color: var(--c-ink-60); margin-block-start: 0.1875rem; }

/* Fieldset */
.fieldset { border: 0; padding: 0; margin: 0; }
.fieldset__legend {
  padding: 0;
  margin-block-end: var(--s-sm);
  font-size: var(--t-h4);
  font-weight: 500;
  letter-spacing: var(--ls-normal);
}

/* Hata özeti (§22.4) */
.error-summary {
  display: none;
  padding: var(--s-md);
  border: 1px solid var(--c-danger);
  background: #8c2f2210;
  margin-block-end: var(--s-lg);
}

.error-summary[data-visible="true"] { display: block; }
.error-summary a { color: var(--c-danger); text-decoration: underline; font-size: var(--t-small); }
.error-summary li + li { margin-block-start: 0.375rem; }

/* -------------------------------------------------------------------------
   6. FOOTER — §30
   ---------------------------------------------------------------------- */
.site-footer {
  background: var(--c-navy);
  color: var(--c-ivory);
  padding-block: var(--s-2xl) var(--s-lg);
}

.site-footer a { color: #f7f4efb8; transition: color var(--d-fast) var(--e-soft); }
.site-footer a:hover { color: var(--c-ivory); }

.footer-top {
  display: grid;
  gap: var(--s-xl);
  padding-block-end: var(--s-xl);
  border-block-end: 1px solid var(--c-line-invert);
}

@media (min-width: 64rem) {
  .footer-top { grid-template-columns: minmax(0, 1.3fr) minmax(0, 2.7fr); gap: var(--s-2xl); }
}

.footer-cols {
  display: grid;
  gap: var(--s-lg);
  grid-template-columns: repeat(auto-fit, minmax(min(10rem, 100%), 1fr));
}

.footer-col__title {
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--c-stone-light);
  margin-block-end: var(--s-sm);
}

.footer-col li + li { margin-block-start: 0.5625rem; }
.footer-col a { font-size: 0.9375rem; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm) var(--s-lg);
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--s-lg);
  font-size: var(--t-micro);
  color: #f7f4ef8a;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-sm);
}

/* Doğrulama bekleyen veri işareti — §33.2 */
.pending {
  border-block-end: 1px dashed currentColor;
  opacity: 0.75;
  cursor: help;
}

/* -------------------------------------------------------------------------
   7. FAQ — §8/11, §26.4 (görünür içerikle birebir uyumlu)
   <details> kullanır: JavaScript olmadan da açılıp kapanır.
   ---------------------------------------------------------------------- */
.faq { border-block-start: 1px solid var(--c-line); }

.faq__item { border-block-end: 1px solid var(--c-line); }

.faq__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-md);
  min-height: 3.5rem;
  padding-block: var(--s-md);
  font-size: var(--t-h4);
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}

.faq__q::-webkit-details-marker { display: none; }

.faq__q::after {
  content: "";
  flex: none;
  width: 0.75rem;
  height: 0.75rem;
  margin-block-start: 0.375rem;
  background: currentColor;
  clip-path: polygon(46% 0, 54% 0, 54% 46%, 100% 46%, 100% 54%, 54% 54%, 54% 100%, 46% 100%, 46% 54%, 0 54%, 0 46%, 46% 46%);
  transition: transform var(--d-base) var(--e-out);
}

.faq__item[open] .faq__q::after { transform: rotate(135deg); }

.faq__q:hover { color: var(--c-accent); }

.faq__a {
  padding-block-end: var(--s-md);
  max-width: var(--measure);
  line-height: var(--lh-relaxed);
  color: var(--c-ink-80);
}

.faq__a > * + * { margin-block-start: var(--s-xs); }

/* -------------------------------------------------------------------------
   8. SPEC LİSTESİ — ürün ailesi, kumaş yönü, finishing
   ---------------------------------------------------------------------- */
.spec {
  display: grid;
  gap: 0;
}

.spec__row {
  display: grid;
  gap: 0.375rem var(--s-lg);
  padding-block: var(--s-md);
  border-block-start: 1px solid var(--c-line);
}

@media (min-width: 48rem) {
  .spec__row { grid-template-columns: minmax(0, 13rem) minmax(0, 1fr); }
}

.band-navy .spec__row { border-block-start-color: var(--c-line-invert); }

.spec__k {
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--c-stone);
}

/* Teknik anahtar/kod: text-transform uppercase YEREL DUYARLIDIR — lang="tr"
   altında "i" harfi "İ" olur ve sorkunlu.sampleList, SORKUNLU.SAMPLELİST diye
   görünür. Depolama anahtarı çevrilemez, o yüzden hiç dönüştürülmez. */
.spec__k--code {
  text-transform: none;
  letter-spacing: 0.01em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8125rem;
}

.spec__v { line-height: var(--lh-relaxed); color: var(--c-ink-80); }
.band-navy .spec__v { color: #f7f4efc4; }

/* Madde listesi — iki kolona akan ürün aileleri */
.list-cols {
  columns: 2;
  column-gap: var(--s-lg);
  max-width: 44rem;
}

@media (max-width: 34rem) { .list-cols { columns: 1; } }

.list-cols li,
.list-marked li {
  position: relative;
  padding-inline-start: 1.125rem;
  padding-block: 0.3125rem;
  line-height: 1.55;
  break-inside: avoid;
}

.list-cols li::before,
.list-marked li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.9375rem;
  width: 0.4375rem;
  height: 1px;
  background: var(--c-stone);
}

/* Doğrulama bekleyen ürün satırı (§7 giriş notu) */
.list-cols li[data-status="verify"]::after,
.list-marked li[data-status="verify"]::after {
  content: " · suitability to confirm";
  font-size: var(--t-micro);
  letter-spacing: 0.04em;
  color: var(--c-stone);
}

/* Etiketler — kumaş aileleri, desen aileleri */
.tags { display: flex; flex-wrap: wrap; gap: 0.4375rem; }

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2.125rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--c-line);
  background: var(--c-ivory-soft);
  font-size: var(--t-small);
  color: var(--c-ink-80);
}

a.tag { transition: border-color var(--d-fast) var(--e-soft), color var(--d-fast) var(--e-soft); }
a.tag:hover { border-color: var(--c-accent); color: var(--c-accent); }

.band-navy .tag { background: #ffffff0a; border-color: var(--c-line-invert); color: #f7f4efc4; }

/* -------------------------------------------------------------------------
   9. FİLTRE ÇUBUĞU — §10.3, §15.2
   JS yoksa tüm kayıtlar görünür kalır; filtre yalnız daraltır.
   ---------------------------------------------------------------------- */
.filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4375rem;
  align-items: center;
  padding-block: var(--s-md);
  border-block: 1px solid var(--c-line);
}

.no-js .filterbar { display: none; }

.filterbar__label {
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin-inline-end: var(--s-2xs);
}

.filterbar__btn {
  min-height: 2.375rem;
  padding: 0.4375rem 0.875rem;
  border: 1px solid var(--c-line);
  background: transparent;
  font-size: var(--t-small);
  color: var(--c-ink-80);
  transition: border-color var(--d-fast) var(--e-soft),
              background var(--d-fast) var(--e-soft),
              color var(--d-fast) var(--e-soft);
}

.filterbar__btn:hover { border-color: var(--c-stone-light); color: var(--c-ink); }

.filterbar__btn[aria-pressed="true"] {
  background: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-ivory);
}

.filter-empty {
  display: none;
  padding-block: var(--s-2xl);
  text-align: center;
}

.filter-empty[data-visible="true"] { display: block; }

[data-filter-item][hidden] { display: none !important; }

/* -------------------------------------------------------------------------
   10. BREADCRUMB — §22.1
   ---------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--t-micro);
  letter-spacing: 0.04em;
  color: var(--c-ink-60);
  padding-block: var(--s-md);
}

.breadcrumb li { display: flex; align-items: center; gap: 0.5rem; }
.breadcrumb li + li::before { content: "/"; color: var(--c-ink-40); }
.breadcrumb a:hover { color: var(--c-ink); }
.breadcrumb [aria-current="page"] { color: var(--c-ink); }